[[Lehrbuch der historischen Methode und der Geschichtsphilosophie by Ernst Bernheim]] 1889 https://archive.org/details/lehrbuchderhist03berngoog/mode/1up (1908)

See also https://philarchive.org/archive/ASSSOH-2 Arthur Alfaix Assis, Schemes of Historical Method in the Late 19th Century pp105-125 in Contributions to Theory and Comparative History of Histiography, German and Brazilian perspectives, by eds Luiz Estevam de Oilveira Fernandes, Luísa Rauter Pereira and Sérgio da Mata